Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: JCSNMSCP60Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-520 A North Cornor LA 624H ONVOY SPECTRUM, LLC 482      
601-205 A Hattiesburg MS 624H ONVOY SPECTRUM, LLC 482   2024-03-09   
601-601 A Jackson MS 624H ONVOY SPECTRUM, LLC 482      
662-899 A Ashland MS 624H ONVOY SPECTRUM, LLC 482      
662-919 A Shuqualak MS 624H ONVOY SPECTRUM, LLC 482      
662-922 A Inverness MS 624H ONVOY SPECTRUM, LLC 482      
662-930 A Coldwater MS 624H ONVOY SPECTRUM, LLC 482      
662-933 A Clarksdale MS 624H ONVOY SPECTRUM, LLC 482      
662-970 A Ethel MS 624H ONVOY SPECTRUM, LLC 482      
662-980 A Eupora MS 624H ONVOY SPECTRUM, LLC 482      
769-273 A Jackson MS 624H ONVOY SPECTRUM, LLC 482      
769-690 A Lynville MS 624H ONVOY SPECTRUM, LLC 482      
769-696 A Waynesboro MS 624H ONVOY SPECTRUM, LLC 482      
769-769 A Collins MS 624H ONVOY SPECTRUM, LLC 482      
769-901 A Jackson MS 624H ONVOY SPECTRUM, LLC 482      
769-967 A Natchez MS 624H ONVOY SPECTRUM, LLC 482   2024-11-03   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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